A father's age was 8 times his son's age 4 years ago. Presently the father's age is 4 times that of his son. Find the present age of the son?

Direction : Study the following information   carefully and answer the given questions:
A word and number arrangement machine, when given an input line of words and numbers, it rearranges them following a particular rule. The following is an illustration of input and rearrangement.
Step I: alter 25 93 as hill stamp bolt 45 34 63 total 13 alter rise
Step II: alter as 93 hill stamp bolt 45 34 63 total rise 25 13
Step III: alter as bolt 93 hill stamp 45 63 total rise 34 25 13
Step IV: alter as bolt hill 93 stamp 63 total rise 45 34 25 13
Step V: alter as bolt hill rise 93 stamp total 63 45 34 25 13
Step VI: alter as bolt hill rise stamp total 93   63 45 34 25 13
Step VI is the last step of the above arrangement as the intended arrangement is obtained.
As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.
Input: ropes 12 33 strong 35 19 in blue ample kite 47 77 57

What is the position of ‘47’ in step III?

Find the odd word from the following:

Select the correct combination of mathematical signs to replace * signs and to balance the following equation.

(18 * 9 * 14) * 37 * 4

Direction : Study the following information   carefully and answer the given questions:
A word and number arrangement machine, when given an input line of words and numbers, it rearranges them following a particular rule. The following is an illustration of input and rearrangement.
Step I: alter 25 93 as hill stamp bolt 45 34 63 total 13 alter rise
Step II: alter as 93 hill stamp bolt 45 34 63 total rise 25 13
Step III: alter as bolt 93 hill stamp 45 63 total rise 34 25 13
Step IV: alter as bolt hill 93 stamp 63 total rise 45 34 25 13
Step V: alter as bolt hill rise 93 stamp total 63 45 34 25 13
Step VI: alter as bolt hill rise stamp total 93   63 45 34 25 13
Step VI is the last step of the above arrangement as the intended arrangement is obtained.
As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.
Input: ropes 12 33 strong 35 19 in blue ample kite 47 77 57

How many steps are needed to complete this arrangement?

Which of the following symbols should replace the blanks in the given expression to make the expressions X ≤ Z true?

O = X = M _ Q _ Z

 A boy walked 3 km. in the south, then he turned to the west and walked 5 km, then he turned to the North and walked 6 km. Then he turned to the East and walked 5 km. In which direction the boy walking when he finished the journey? 

Direction : Study the following information to answer the given questions:
A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement.
Input : 52 peak 91 snow freeze 46 cold 15 high 31 73 trek
Step I : 15 52 peak snow freeze 46 cold high 31 73 trek 91
Step II: 15 31 52 peak snow freeze 46 cold high trek 73 91
Step III: 15 31 46 peak snow freeze cold high trek 52 73 91
Step IV: 15 31 46 cold peak snow freeze high trek 52 73 91
Step V : 15 31 46 cold peak freeze peak snow high trek 52 73 91
Step VI : 15 31 46 cold freeze high peak snow trek 52 73 91
Step VI is the last step of the rearrangement. As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.
Input : 67 hot sun 19 best 83 ice 49 ace 77 cut 37
Which of the following would be the step I?